body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB',
    'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif, 'Apple Color Emoji',
    'Segoe UI Emoji', 'Segoe UI Symbol';
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

#root {
  height: 100vh;
}

* {
  box-sizing: border-box;
}

/* 自定义样式 */
.logo {
  padding: 16px;
  text-align: center;
  border-bottom: 1px solid #f0f0f0;
}

.logo h2 {
  margin: 0;
  color: #1890ff;
  font-size: 16px;
  font-weight: 600;
}